Ab initio molecular orbital study of the reactivity of active alkyl groups. V. Nitrosation mechanism of acetone with syn-form of methyl nitrite |
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Authors: | Niiya Tokihiro Ikeda Hirohito Yukawa Miho Goto Yoshinobu |
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Institution: | Faculty of Pharmaceutical Sciences, Fukuoka University, Japan. niiya@fukuoka-u.ac.jp |
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Abstract: | The mechanisms of nitrosation of acetone through sodium enolate CH3CO1CH2]-Na+ (1) or naked enolate CH3CO1CH2]- (2) with methyl nitrite CH3O3NO2 (3), and the reactivity of the syn-form of 3 (syn-3) during the C-N bond formation process were investigated using ab initio molecular orbital (MO) methods. Our results have demonstrated the predominant formation of E-1-hydroxyimino-2-oxo-propane CH3COCH=NOH (4E) when the complex CH3CO1CH2NO2(O3CH3)]-Na+ was produced kinetically via a metal-chelated pericyclic transition state (TS(CHELATED)), in which the O3 atom of syn-3 was coordinated to the Na+ atom of 1. |
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